StormPredator displays personal near real-time NEXRAD doppler radar images from any USA location on your PC desktop on 3D Topo maps Inlcudes EXCLUSIVE storm tracker and predictor tool, plus personal scan zone & distance measuring tool that helps you track storms, predict ETA, & plot storm paths. No data fees. The radar images are FREE. It's like having a personal Weather Radar on your PC to warn of approaching storms. Email & cell phone alerts